Home / 36,935.78-50,971.47-20,168.78

Finding the Fourth Proportional to 36,935.78, 50,971.47 and 20,168.78

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Solution

The fourth proportional to 36,935.78, 50,971.47 and 20,168.78 is: 27,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,935.78 : 50,971.47 = 20,168.78 : x
  2. Step 2: Convert to fraction form
    36,935.78/50,971.47 = 20,168.78/x
  3. Step 3: Cross multiply
    36,935.78x = 50,971.47 × 20,168.78
  4. Step 4: Simplify right side
    36,935.78x = 1,028,032,364.71
  5. Step 5: Solve for x
    x = 1,028,032,364.71/36,935.78
  6. Step 6: Final answer
    x = 27,832.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.